Amphenol Corporation, headquartered in Wallingford, Connecticut, is one of the largest designers, manufacturers and marketers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial, high-speed, fiber optic, and specialty cable. The company's products are used for data centers and information technology, industry, automobiles, communications networks, defense, mobile devices, and aerospace. The company name is a portmanteau of its predecessor, American Phenolic Corporation. The company is ranked the 198th on the Fortune 500 and 308th on the Forbes Global 2000.